Word Origin & History

convex 1570s, from M.Fr. convexe, from L. convexus "vaulted, arched," pp. of convehere "to bring together," from com- "together" + vehere "to bring" (see vehicle). Possibly from the idea of vaults carried together to meet at the point of a roof. Related: Convexity (c.1600). Convex lens is from 1822.

Example Sentences for convexes

Then the roof, with a nail in every corrugation, in the concaves instead of the convexes, and the mansion wanted but a floor.